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Realme Q3t vs Xiaomi Redmi K40

What Q3t does better (7) and where Redmi K40 wins (12) — every spec side by side.

Realme Q3t
Realme · 2021Q3t
6.8Score
7 advantages≈ $310
vs
Xiaomi Redmi K40
Xiaomi · 2021Redmi K40
7.8Score
12 advantages≈ $300
Higher score
6.9Display7.9
5.7Camera6.7
5.5Battery4.2
5.8Features8.7
Dimensions

Size comparison

Q3tRedmi K40
75.8 × 164.48.576.4 × 163.77.8
Q3tRedmi K40Difference
Height164.4 mm163.7 mm+0.7 mm
Width75.8 mm76.4 mm−0.6 mm
Thickness8.5 mm7.8 mm+0.7 mm
Weight199 g196 g+3 g

Drawn to the same scale from the official dimensions (front and side).

Why is Q3t better than Redmi K40?

  1. Battery capacity5,000 mAh vs 4,520 mAh+11%
  2. Refresh rate144 Hz vs 120 Hz+20%
  3. Storage (base)256 GB vs 128 GB2×
  4. Memory card slotYes · Redmi K40: No
  5. 3.5 mm headphone jackYes · Redmi K40: No
  6. Process6 nm vs 7 nm+17%
  7. Charged in 30 min60% vs 58%+3%

Why is Redmi K40 better than Q3t?

  1. Peak brightness600 nits vs 1,300 nits2.2×
  2. RAM8 GB vs 12 GB+50%
  3. OLED panelNo · Q3t: Yes
  4. NFCNo · Q3t: Yes
  5. Stereo speakersNo · Q3t: Yes
  6. Wired charging30 W vs 33 W+10%
  7. CPU frequency2.4 GHz vs 3.2 GHz+33%
  8. Rear cameras1 vs 22×
  9. Ultra-wide cameraNo · Q3t: Yes
  10. Selfie camera16 MP vs 20 MP+25%
  11. Thickness8.5 mm vs 7.8 mm+9%
  12. Screen-to-body ratio83.9% vs 85.9%+2%
Specifications

Side by side

Realme Q3tRealme Q3t≈ $3106.8
Xiaomi Redmi K40Xiaomi Redmi K40≈ $3007.8
Design
Weight199 g196 g
Thickness8.5 mm7.8 mm
Height164.4 mm163.7 mm
Width75.8 mm76.4 mm
Glass protection—Corning Gorilla Glass 5
ColoursAurora, Dark BlueBlack, White, Aurora
Display
Screen size6.6″6.7″
PanelIPS LCDSuper AMOLED
OLED panelNoYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,412 px2,400 px
Pixel density400 ppi395 ppi
Refresh rate144 Hz120 Hz
Peak brightness600 nits1,300 nits
Screen-to-body ratio83.9%85.9%
HDR—Yes
Performance
ChipsetQualcomm SM7325 Snapdragon 778G 5GQualcomm SM8250-AC Snapdragon 870 5G
Chip makerQualcommQualcomm
Process6 nm7 nm
CPU cores88
CPU frequency2.4 GHz3.2 GHz
GPUAdreno 642LAdreno 650
Memory
RAM8 GB12 GB
Storage (max)256 GB256 GB
Storage (base)256 GB128 GB
Storage type—UFS 3.1
Memory card slotYesNo
Camera
Main camera48 MP48 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/2.0"
Rear cameras12
Optical stabilisationNoNo
Ultra-wide cameraNoYes
Telephoto cameraNoNo
Max video4K4K
4K video frame rate30 fps30 fps
Selfie camera16 MP20 MP
4K selfie videoNoNo
Battery
Battery capacity5,000 mAh4,520 mAh
Battery type—Li-Po
Wired charging30 W33 W
Charged in 30 min60%58%
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 6
Bluetooth5.25.1
NFCNoYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Dual-band GPS—Yes
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS, QZSS, NavIC
Features
Stereo speakersNoYes
3.5 mm headphone jackYesNo
Fingerprint sensorSideSide
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
Interfacerealme UI 2.0MIUI 12
To compare: 0up to 4 models
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